Objective: With regard to the correlation between T helper1/T helper2 (Th1/Th2) cell balance and 1α,25-dihydroxyvitamin D 3 , active metabolite of vitamin D, we studied Th1/Th2 cell balance by measuring levels of the cytokines interleukin (IL)-4, IL-10 and interferon-gamma (IFN-γ), which are important for immune response of patients with allergic rhinitis.
Methods:Thirty adult patients diagnosed with allergic rhinitis (study group) and 40 healthy volunteers (control group) are examined in the research. IFN-γ, IL-4, IL-10, and total immunoglobulin E (IgE) levels from serum samples and vitamin D 3 levels from plasma were determined in all patients.
Results:In IgE, IL-4, IL-10, IFN-γ, and 1α,25-dihydroxyvitamin D 3 levels (p<0.05), a statistically noticeable difference was observed between the study and control group. The 1α,25-dihydroxyvitamin D 3 levels in both groups were compared and a statistically significant difference between the 1α,25-dihydroxyvitamin D 3 levels in the study group and that in the control group (p<0.05) was observed. There was a positive correlation between IFN-γ and vitamin D levels (p<0.05) in the study group, whereas IgE, IL-4, and IL-10 levels showed a negative correlation with vitamin D 3 levels (p<0.05).
Conclusion:In our study, 1α,25-dihydroxyvitamin D 3 levels were associated with Th1/Th2 balance in allergic rhinitis, and a remarkable correlation was observed among vitamin D deficiency and allergy. These findings show that 1α,25-dihydroxyvitamin D 3 may have a remarkable role in the severity and control of allergic disorders. In addition, further investigations are required to confirm how vitamin D should be used in allergic diseases. Furthermore, to reveal the exact mechanism of vitamin D on allergic diseases, further studies are required. Rhinitis, allergic, cholecalciferol, Th1 cells, Th2 cells,
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